lmx2502lq1635 National Semiconductor Corporation, lmx2502lq1635 Datasheet - Page 5

• Manufacturer Part Number: lmx2502lq1635
• Description: Pllatinum? Frequency Synthesizer System With Integrated Vco
• Manufacturer: National Semiconductor Corporation

Symbol
IF PLL
f
P
f
I
DIGITAL INTERFACE (DATA, CLK, LE, LD, CE)
V
V
I
I
V
V
MICROWIRE INTERFACE TIMING
t
t
t
t
t
t
Fin
ΦIF
CPout
IH
IL
CS
CH
CWH
CWL
ES
EW
Electrical Characteristics
Fin
IH
IL
OH
OL
Note 4: In power down mode, set DATA, CLK, and LE pins to 0 V (GND).
Note 5: The reference frequency must also be programmed using the OSC_FREQ control bit. For other reference frequencies, please contact National
Semiconductor.
Note 6: For other frequency ranges, please contact National Semiconductor.
Note 7: Lock time is defined as the time difference between the beginning of the frequency transition and the point at which the frequency remains within +/- 1 kHz
of the final frequency.
Note 8: Frequencies other that the default value can be programmed using Words R4 and R5. See Programming Description for details.
Parameter
Operating Frequency
(Note 8)
IF Input Sensitivity
Phase Detector Frequency
Charge Pump Current
High-Level Input Voltage
Low-Level Input Voltage
High-Level Input Current
Low-Level Input Current
Input Capacitance
High-Level Output Voltage
Low-Level Output Voltage
Output Capacitance
Data to Clock Set Up Time
Data to Clock Hold Time
Clock Pulse Width HIGH
Clock Pulse Width LOW
Clock to Latch Enable Set Up Time
Latch Enable Pulse Width
LMX2502LQ1635
LMX2512LQ0967
LMX2512LQ1065
(V
CC
= V
DD
= 2.8 V, T
Condition
IF_FREQ [1:0] = 10,
Default Value
IF_FREQ [1:0] = 00,
Default Value
IF_FREQ [1:0] = 01,
Default Value
IF_CUR [1:0] = 00
IF_CUR [1:0] = 01
IF_CUR [1:0] = 10
IF_CUR [1:0] = 11
5
A
= 25 ˚C; unless otherwise noted) (Continued)
0.8 V
0.8 V
0.9 V
0.9 V
Min
-10
-10
-10
50
10
50
50
50
50
0
0
DD
CC
DD
CC
440.76
170.76
367.20
Typ
120
100
200
300
800
3
-
-
-
-
-
-
0.2 V
0.2 V
0.1 V
0.1 V
Max
V
V
10
10
0
5
DD
CC
-
-
-
-
-
-
DD
CC
DD
CC
www.national.com
Units
MHz
MHz
MHz
dBm
kHz
µA
µA
µA
µA
µA
µA
pF
pF
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
V